From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0B588C46467 for ; Tue, 10 Jan 2023 22:44:59 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pFNL0-0004Uf-A5; Tue, 10 Jan 2023 17:43:22 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pFNKy-0004Sg-8H; Tue, 10 Jan 2023 17:43:20 -0500 Received: from mail-vs1-xe2d.google.com ([2607:f8b0:4864:20::e2d]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1pFNKw-0002cu-6o; Tue, 10 Jan 2023 17:43:19 -0500 Received: by mail-vs1-xe2d.google.com with SMTP id t10so3313984vsr.3; Tue, 10 Jan 2023 14:43:17 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=/pB//zPZsFwqYK+1+JOkd3UDxoUAkDV2o7ptYToi1lo=; b=OUYwi3XYvnoysHtaa9fXpgkxCn80XbQ80cV8xoV0P4GA13O3NC9xj9SgjwlDEWmaBo HlF9MmLipbhFFkpglqlTnYy4+ihrP7yJBpBrf3Y184OaelyIrukIdpc84aEMOocxf3h7 didkFGGGhLXsPkcNOVg4Vjyt0UBlr50vBt8tLnEE+lF4cSrhwqluH3hYbTbyr6jNY/3a dDBOjUY0qbQvL1fUkqjCQSuZwDm8xNKJCUUZCioC+5aXE3Cd/yrkULGEAXtAuoUvndd2 T1N5TkhukCmYfoYjaaZ9WFFp8lfUPAjG9sJPy5cX7TuEnSA2Ataj1Tb5UXwMJm11u47E YIYw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=/pB//zPZsFwqYK+1+JOkd3UDxoUAkDV2o7ptYToi1lo=; b=JedgyKP2NrcgPJSNAVVcIQ2WK2IOAb1uAbp7DGi2vsdBdCyc/W0506586WeIw5Xn2T qCOj1VJHgr9IXFy4fDrNjJOBlz0yOq8B1QDeTv19vWugCfe+o2n3wJYBp2/T3mHDc2hq TfERzpemHyZHmh3VK/MoMF4OMLJbh9YntozpgGABY+IJ0djgI98IxlwNSE7ru/9O1QLO LjRmIdNZ3k9HblOdBwrF4OPIlr3bTbYwrrNf3LvmIRJ5dsihGSbDWeyZXOml9hQ1JmC4 zQnCPrHMgM8Sv59oAZA2Fmg36CDCRrkmGU9+rNMGNkLLe9M/atbk6NqPVf41a9eHA2Uj jIGw== X-Gm-Message-State: AFqh2kqxsCU7bIzPFlT7Ve7Gu3KJsa7TRntf+4quNGeoLnpM57d2qdKF Xlfal84r93oSZlPQ0+kKpqkvKZl4XvWg+2UwkKc= X-Google-Smtp-Source: AMrXdXsRxg2rJ3ysmO3z8vdkWieRZYqNWXcvW8t9RyKN061Szp3Al16XGlOjcY6JOQzqxcmnrnoTPFTwvB3KWsPffeM= X-Received: by 2002:a05:6102:f8c:b0:3c9:8cc2:dd04 with SMTP id e12-20020a0561020f8c00b003c98cc2dd04mr7863599vsv.73.1673390596711; Tue, 10 Jan 2023 14:43:16 -0800 (PST) MIME-Version: 1.0 References: <20230102115241.25733-1-dbarboza@ventanamicro.com> <20230102115241.25733-11-dbarboza@ventanamicro.com> In-Reply-To: <20230102115241.25733-11-dbarboza@ventanamicro.com> From: Alistair Francis Date: Wed, 11 Jan 2023 08:42:50 +1000 Message-ID: Subject: Re: [PATCH v5 10/11] hw/riscv/boot.c: consolidate all kernel init in riscv_load_kernel() To: Daniel Henrique Barboza Cc: qemu-devel@nongnu.org, qemu-riscv@nongnu.org, alistair.francis@wdc.com, Bin Meng , Palmer Dabbelt Content-Type: text/plain; charset="UTF-8" Received-SPF: pass client-ip=2607:f8b0:4864:20::e2d; envelope-from=alistair23@gmail.com; helo=mail-vs1-xe2d.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On Mon, Jan 2, 2023 at 9:55 PM Daniel Henrique Barboza wrote: > > The microchip_icicle_kit, sifive_u, spike and virt boards are now doing > the same steps when '-kernel' is used: > > - execute load_kernel() > - load init_rd() > - write kernel_cmdline > > Let's fold everything inside riscv_load_kernel() to avoid code > repetition. To not change the behavior of boards that aren't calling > riscv_load_init(), add an 'load_initrd' flag to riscv_load_kernel() and > allow these boards to opt out from initrd loading. > > Cc: Palmer Dabbelt > Signed-off-by: Daniel Henrique Barboza Reviewed-by: Alistair Francis Alistair > --- > hw/riscv/boot.c | 22 +++++++++++++++++++--- > hw/riscv/microchip_pfsoc.c | 12 ++---------- > hw/riscv/opentitan.c | 2 +- > hw/riscv/sifive_e.c | 3 ++- > hw/riscv/sifive_u.c | 12 ++---------- > hw/riscv/spike.c | 11 +---------- > hw/riscv/virt.c | 12 ++---------- > include/hw/riscv/boot.h | 1 + > 8 files changed, 30 insertions(+), 45 deletions(-) > > diff --git a/hw/riscv/boot.c b/hw/riscv/boot.c > index 2594276223..4888d5c1e0 100644 > --- a/hw/riscv/boot.c > +++ b/hw/riscv/boot.c > @@ -175,10 +175,12 @@ target_ulong riscv_load_firmware(const char *firmware_filename, > > target_ulong riscv_load_kernel(MachineState *machine, > target_ulong kernel_start_addr, > + bool load_initrd, > symbol_fn_t sym_cb) > { > const char *kernel_filename = machine->kernel_filename; > uint64_t kernel_load_base, kernel_entry; > + void *fdt = machine->fdt; > > g_assert(kernel_filename != NULL); > > @@ -192,21 +194,35 @@ target_ulong riscv_load_kernel(MachineState *machine, > if (load_elf_ram_sym(kernel_filename, NULL, NULL, NULL, > NULL, &kernel_load_base, NULL, NULL, 0, > EM_RISCV, 1, 0, NULL, true, sym_cb) > 0) { > - return kernel_load_base; > + kernel_entry = kernel_load_base; > + goto out; > } > > if (load_uimage_as(kernel_filename, &kernel_entry, NULL, NULL, > NULL, NULL, NULL) > 0) { > - return kernel_entry; > + goto out; > } > > if (load_image_targphys_as(kernel_filename, kernel_start_addr, > current_machine->ram_size, NULL) > 0) { > - return kernel_start_addr; > + kernel_entry = kernel_start_addr; > + goto out; > } > > error_report("could not load kernel '%s'", kernel_filename); > exit(1); > + > +out: > + if (load_initrd && machine->initrd_filename) { > + riscv_load_initrd(machine, kernel_entry); > + } > + > + if (fdt && machine->kernel_cmdline && *machine->kernel_cmdline) { > + qemu_fdt_setprop_string(fdt, "/chosen", "bootargs", > + machine->kernel_cmdline); > + } > + > + return kernel_entry; > } > > void riscv_load_initrd(MachineState *machine, uint64_t kernel_entry) > diff --git a/hw/riscv/microchip_pfsoc.c b/hw/riscv/microchip_pfsoc.c > index 82ae5e7023..c45023a2b1 100644 > --- a/hw/riscv/microchip_pfsoc.c > +++ b/hw/riscv/microchip_pfsoc.c > @@ -629,16 +629,8 @@ static void microchip_icicle_kit_machine_init(MachineState *machine) > kernel_start_addr = riscv_calc_kernel_start_addr(&s->soc.u_cpus, > firmware_end_addr); > > - kernel_entry = riscv_load_kernel(machine, kernel_start_addr, NULL); > - > - if (machine->initrd_filename) { > - riscv_load_initrd(machine, kernel_entry); > - } > - > - if (machine->kernel_cmdline && *machine->kernel_cmdline) { > - qemu_fdt_setprop_string(machine->fdt, "/chosen", > - "bootargs", machine->kernel_cmdline); > - } > + kernel_entry = riscv_load_kernel(machine, kernel_start_addr, > + true, NULL); > > /* Compute the fdt load address in dram */ > fdt_load_addr = riscv_load_fdt(memmap[MICROCHIP_PFSOC_DRAM_LO].base, > diff --git a/hw/riscv/opentitan.c b/hw/riscv/opentitan.c > index 64d5d435b9..f6fd9725a5 100644 > --- a/hw/riscv/opentitan.c > +++ b/hw/riscv/opentitan.c > @@ -101,7 +101,7 @@ static void opentitan_board_init(MachineState *machine) > } > > if (machine->kernel_filename) { > - riscv_load_kernel(machine, memmap[IBEX_DEV_RAM].base, NULL); > + riscv_load_kernel(machine, memmap[IBEX_DEV_RAM].base, false, NULL); > } > } > > diff --git a/hw/riscv/sifive_e.c b/hw/riscv/sifive_e.c > index 3e3f4b0088..6835d1c807 100644 > --- a/hw/riscv/sifive_e.c > +++ b/hw/riscv/sifive_e.c > @@ -114,7 +114,8 @@ static void sifive_e_machine_init(MachineState *machine) > memmap[SIFIVE_E_DEV_MROM].base, &address_space_memory); > > if (machine->kernel_filename) { > - riscv_load_kernel(machine, memmap[SIFIVE_E_DEV_DTIM].base, NULL); > + riscv_load_kernel(machine, memmap[SIFIVE_E_DEV_DTIM].base, > + false, NULL); > } > } > > diff --git a/hw/riscv/sifive_u.c b/hw/riscv/sifive_u.c > index bac394c959..9a75d4aa62 100644 > --- a/hw/riscv/sifive_u.c > +++ b/hw/riscv/sifive_u.c > @@ -598,16 +598,8 @@ static void sifive_u_machine_init(MachineState *machine) > kernel_start_addr = riscv_calc_kernel_start_addr(&s->soc.u_cpus, > firmware_end_addr); > > - kernel_entry = riscv_load_kernel(machine, kernel_start_addr, NULL); > - > - if (machine->initrd_filename) { > - riscv_load_initrd(machine, kernel_entry); > - } > - > - if (machine->kernel_cmdline && *machine->kernel_cmdline) { > - qemu_fdt_setprop_string(machine->fdt, "/chosen", "bootargs", > - machine->kernel_cmdline); > - } > + kernel_entry = riscv_load_kernel(machine, kernel_start_addr, > + true, NULL); > } else { > /* > * If dynamic firmware is used, it doesn't know where is the next mode > diff --git a/hw/riscv/spike.c b/hw/riscv/spike.c > index bff9475686..c517885e6e 100644 > --- a/hw/riscv/spike.c > +++ b/hw/riscv/spike.c > @@ -308,16 +308,7 @@ static void spike_board_init(MachineState *machine) > firmware_end_addr); > > kernel_entry = riscv_load_kernel(machine, kernel_start_addr, > - htif_symbol_callback); > - > - if (machine->initrd_filename) { > - riscv_load_initrd(machine, kernel_entry); > - } > - > - if (machine->kernel_cmdline && *machine->kernel_cmdline) { > - qemu_fdt_setprop_string(machine->fdt, "/chosen", "bootargs", > - machine->kernel_cmdline); > - } > + true, htif_symbol_callback); > } else { > /* > * If dynamic firmware is used, it doesn't know where is the next mode > diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c > index c8e35f861e..a931ed05ab 100644 > --- a/hw/riscv/virt.c > +++ b/hw/riscv/virt.c > @@ -1281,16 +1281,8 @@ static void virt_machine_done(Notifier *notifier, void *data) > kernel_start_addr = riscv_calc_kernel_start_addr(&s->soc[0], > firmware_end_addr); > > - kernel_entry = riscv_load_kernel(machine, kernel_start_addr, NULL); > - > - if (machine->initrd_filename) { > - riscv_load_initrd(machine, kernel_entry); > - } > - > - if (machine->kernel_cmdline && *machine->kernel_cmdline) { > - qemu_fdt_setprop_string(machine->fdt, "/chosen", "bootargs", > - machine->kernel_cmdline); > - } > + kernel_entry = riscv_load_kernel(machine, kernel_start_addr, > + true, NULL); > } else { > /* > * If dynamic firmware is used, it doesn't know where is the next mode > diff --git a/include/hw/riscv/boot.h b/include/hw/riscv/boot.h > index f94653a09b..c3de897371 100644 > --- a/include/hw/riscv/boot.h > +++ b/include/hw/riscv/boot.h > @@ -45,6 +45,7 @@ target_ulong riscv_load_firmware(const char *firmware_filename, > symbol_fn_t sym_cb); > target_ulong riscv_load_kernel(MachineState *machine, > target_ulong firmware_end_addr, > + bool load_initrd, > symbol_fn_t sym_cb); > void riscv_load_initrd(MachineState *machine, uint64_t kernel_entry); > uint64_t riscv_load_fdt(hwaddr dram_start, uint64_t dram_size, void *fdt); > -- > 2.39.0 > >